JEE Main 11 Jan 2019 Shift 1 Solved Paper

Section: Mathematics

© examsiri.com

Question : 35 of 90

Marks: +1, -0

Let

→

a

=

^

i

+2

^

j

+4

^

k

,

→

b

=

^

i

+λ

^

j

+4

^

k

and

→

c

= 2

^

i

+4

^

j

+(λ2−1)

^

k

be coplanar vectors.Then the non-zero vector

→

a

×

→

c

is :

[11 Jan 2019 Shift 1]

−14
^
i
−5
^
j
−10
^
i
−5
^
j
−10
^
i
+5
^
j
−14
^
i
+5
^
j

Go to Question:

Prev Question

Next Question